Propeller turbine-pump.



1 B. K. HOOD.

PROPELLBR TURBINE PUMP.

' APPLICATION FILED 811F116, 1910.

5 Patented N0v.15, 1910.

2 SHEET S-BHEET 1.

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E. K. HOOD. I PROPELLER TURBINE PUMP.

APPLICATION FILED SEPT. 15, 1910.

9%,5g6 Patented N0v.15,,1910.

2 SHEETS-SHEET 2.

,wz-z x V nrmns'r nn'oon, or INDIANAPOLIS, INDIANA.

FROPELLER TURBINE-PUMI.

Specification of Letters Patent.

Patented Nov. 15,1910.

Application filed September 15,1910. SerialyNo. 582,120.

To vall whom it may concern:

Be it known that I, ERNEST K. H001), a citizen of the United States,residing at Indianapolis, in the county of Marion and 'State of Indiana,have invented a new and which said screw-propeller lifting-mechanismwill discharge, and a motor or driving element connected (preferablydirectly),

with the lifting mechanism and pressure pump, the structure beingpreferably such that the shafts of the three elements are in directalinement.

A further object of my. inventlon is to use, in the combination alreadydefined, a steam turbine engine, the exhaust of which is .delivered intothe water line so that the water line serves to produce propercondensation in the exhaust line of the turbine.

The. accompanying drawings illustrate my invention.

Figure 1 is a side elevation of an apparatus embodying the fundamentalfeatures of my invention, the motor being an ordinary electric motor;Fig. 2 a similar view of a complete embodiment of my invention whereinthe motor is a steam turbine.

In the drawings, 10 indicates the tube or casing of a well in which aremounted a desired number of screw-propeller lifting-elements 11, of anyordinary form, which are carried by a shaft 12 which is projectedupwardly through the casing Arranged at the top of the casing 10 is acentrifugal or turbine pump 13 of anydesired and ordinary form, thedetails of which are entirely immaterial so far as the present inventionis concerned. -This centrifugal or turbine pump is so arranged that thecasinglO dischar es into the receiving eye of the pump an the shaft 16of the pump and the shaft 12 of the rotary element of the turbine aredirectly connected and arranged in alinement. If desired, the

propeller shaft may be projected through the pump and the rotary elementof the pump directly connected to that shaft. The upper end of the shaft16 is provided with a thrust bearin element 17. which coacts with acorrespon ing thrust bearing element 18 carried at the upper end of asuitable bracket 19 which may be conveniently mounted directly upon thepump casing, this thrust bearing preferably embodying either balls orrollers, but the details of this bearing are immaterial. Shaft 16 at itsupper end carries a clutch member 21 adapted to mesh with acorresponding clutch member 22 carried by the motor shaft 23.

In the form shown in Fig. 1 the motor 24 is an ordinary electric motorsupported in place by a suitable support pedestal 25 carried by baseplate 26 which supports the casing 10 and the pump 13. In the form shownin Fig. 2, the arrangement is substantially the same as that shown inFig. 1', so far as the correspondingly numbered parts are concerned, butthe motor is steam turbine 26, the shaft 23 of which is connected to thepump shaft as already described. The turbine 26 is provided withsuitable steam inlet pipe 27 and with an exhaust' pipe 28. The pipe 28is carried into tee 29, one end of which is connected by. pipe 31 to atubular fitting 32 which is preferably introduced in the line betweencasing 10 and the receiving eye of the pump 13. Ar-

ranged in pipe 31 is a valve 33. The otherend of the tee 29 is providedwith an outlet pipe 34 in which a valve 35 is mounted.

In operation, causes a. rotation of the pump shaft and propeller shaftand water within the well casing is vertically lifted by the propellers11 and delivered from the,top,of casing 10 at comparatively lowpressure, it being impossible to obtain any material amount of pressurewith screw propeller lifting elements. This water, however, passesdirectly from the upper end of casing 10 1 into the high pressurecentrifugal pump'and is by it oelivered at any desired pressuredepending, of course, upon the particular characteristics of thepropeller element and the speed of rotation. I

In the form shown in Fig. 2 the apparaa rotation of the motor tus isstarted by closing valve 33 and open as soon as the water begins to flowfrom the casing 10 into the ump 13, valve 33 is opened and valve 35 1sclosed so that thereafter the steam turbine exhausts into the flowingstream of water and is thereby condensed so as to produce a material andefiiciency-increasmg vacuum lnthe exhaust 11116 of the turbine.

By arranging the propellers, the centrifugal pump, and the motor inalinement I reduce the possible loss of power due to change in directionof application of power so that the entire force of the motor is exerteddirectly, and without change of direction of application, upon thelifting and pressure elements, thus materially ,increaslng the amount ofwater which may be lifted under pressure with a given amount of power.

I claim as my invention:

1. A fluid pumping mechanism consisting of a screw-propellerlifting-member, a centrifugal pumping-element arranged in alinement withthe lifting-element and in position to receive the discharge from thelifting-element, and a motor connected with said lifting and pumpingelements and arranged in alinement therewith 2. A fluid pum ingmechanism consisting of a screw-prope ler lifting-member, a centrifugalpumping-element arranged inposition to receive the discharge from thelifting-element, and a motor connected with said lifting and pumpingelements.

3. A fluid pumping mechanism comprising a screw-propellerlifting-element, a centrifugal pumping-element arranged to receive thedischarge from the lifting element,

a steam motor connected to said lifting and pumping elements, and aconnection between the exhaust of said steam motor and the line of flowof fluid wherebythe motor may exhaust into, and the exhaust be condensedby, the fluid stream. 4. A liquid pumping mechanism comprising ascrew-propeller lifting-element, a centrifugal pumping-element arrangedin alinement with the lifting-element and receiving thedischargetherefrom, a steam turbine arranged in alinement with thelifting-element and umping-element and connected thereto, an haust sideof the steam turbine and the interior of the lifting and pumpingelements.

5. A liquid pumping mechanism comprising a screw-propellerlifting-element, a cen-' trifugal pumping-element arranged in alinementwith the liftin element and receiving the discharge there rom, and asteam turbine arranged in alinement with the liftingelement andpumping-element and connected thereto.

ERNEST K. HOOD.

a connection between the ex-

